HasNameMapper.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.metamodel.util;

import java.io.Serializable;

/**
 * {@link Func} useful for mapping {@link HasName} instances to names, using
 * {@link CollectionUtils#map(Object[], Func)} and
 * {@link CollectionUtils#map(Iterable, Func)}.
 */
public final class HasNameMapper implements Func<HasName, String>, Serializable {

    private static final long serialVersionUID = 1L;

    @Override
	public String eval(HasName arg) {
		return arg.getName();
	}

}